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Rb2SrAg2Br7

Alexandria ALEX

Alex-ID: agm004591016 · Space group: I4/mmm (#139)

Basic Information

Formula
Rb2SrAg2Br7
Alex-ID
agm004591016
Elements
4
Sites
12
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
408.90
ų
Cell a
5.4393
Å
Cell b
5.4393
Å
Cell c
14.3453
Å
α angle
79.08
°
β angle
79.08
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Rb2SrAg2Br7
Rb
2.00 · 16.7%
Sr
1.00 · 8.3%
Ag
2.00 · 16.7%
Br
7.00 · 58.3%

Energy & Stability

Energy above hull
0.0821
eV/atom
Formation energy
-1.1659
eV/atom
Corrected total energy
-35.0284
eV
Raw total energy
-35.0284
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
4.8454
Total magnetisation
-0.0001
μB

Additional Information

Prototype ID

AB2C2D7_14_spg139

Decomposition

RbSrBr3 RbAgBr3 AgBr

Computed at

2022-06-26 11:25:31.370656

Citation

Alexandria website
https://alexandria.icams.rub.de/
Attribution

The crystal structure and related material properties of this entry were obtained from the Alexandria database (Alex-ID: agm004591016).

Reference

Th. Cavignac, J. Schmidt, P.-P. De Breuck, A. Loew, T. F. T. Cerqueira, H.-C. Wang, A. Bochkarev, Y. Lysogorskiy, A. H. Romero, R. Drautz, S. Botti and M. A. L. Marques. AI-Driven expansion and application of the Alexandria database. J. Phys. Mater. 9, 025014 (2026). https://doi.org/10.1088/2515-7639/ae6620

BibTeX
@article{Cavignac2026Alexandria,
  author  = {Cavignac, Th{\'e}o and Schmidt, Jonathan and De Breuck, Pierre-Paul and Loew, Antoine
             and Cerqueira, Tiago F. T. and Wang, Hai-Chen and Bochkarev, Anton
             and Lysogorskiy, Yury and Romero, Aldo H. and Drautz, Ralf and Botti, Silvana
             and Marques, Miguel A. L.},
  title   = {{AI}-Driven expansion and application of the {A}lexandria database},
  journal = {Journal of Physics: Materials},
  year    = {2026},
  volume  = {9},
  number  = {2},
  pages   = {025014},
  doi     = {10.1088/2515-7639/ae6620},
  url     = {https://doi.org/10.1088/2515-7639/ae6620}
}

3D Crystal Structure Rendering

Loading 3D structure…

Style: Ball & Stick
Raw CIF Data
# CIF generated by HEAS from Alexandria entry agm004591016
data_agm004591016
_cell_length_a     5.43935
_cell_length_b     5.43935
_cell_length_c     14.34532
_cell_angle_alpha  79.07615
_cell_angle_beta   79.07615
_cell_angle_gamma  90.00471
_cell_volume       408.90062
_symmetry_space_group_name_H-M 'P 1'
_symmetry_Int_Tables_number 1
loop_
_symmetry_equiv_pos_as_xyz
  'x, y, z'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
  Rb1 Rb 0.82098 0.82098 0.35696 1.00000
  Rb2 Rb 0.17902 0.17902 0.64304 1.00000
  Sr1 Sr 0.00000 0.00000 0.00000 1.00000
  Ag1 Ag 0.59960 0.59960 0.80114 1.00000
  Ag2 Ag 0.40040 0.40040 0.19886 1.00000
  Br1 Br 0.50000 0.50000 0.00000 1.00000
  Br2 Br 0.30317 0.30317 0.39409 1.00000
  Br3 Br 0.69683 0.69683 0.60591 1.00000
  Br4 Br 0.91868 0.41834 0.16223 1.00000
  Br5 Br 0.41834 0.91868 0.16223 1.00000
  Br6 Br 0.58166 0.08132 0.83777 1.00000
  Br7 Br 0.08132 0.58166 0.83777 1.00000
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